Features 3" BASV High-Temperature Voice coil Non-pressed paper cone Double stitched foam surround Dual poly-cotton dampeners Die-cast aluminum vented basket Rubber gasket trim ring Large gauge compression terminals Protective magnet cover Specifications Structure 12" (30.48cm) Woofer Dynamic Power Handling 2000 Watts Nominal Power Handling 1000 Watts Impedance Dual 4Ω Voice Coil Parameters Resonant Frequency (fs) 40.93Hz D.C. Voice Coil Resistance (Re) 3.2 x 3.2Ω Mechanical Quality Factor (Qms)